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authorDean Camera <dean@fourwalledcubicle.com>2010-03-29 07:49:58 +0000
committerDean Camera <dean@fourwalledcubicle.com>2010-03-29 07:49:58 +0000
commit0557676013f41487701a8951d3dbb4aee3117882 (patch)
treed0c369cd182543f6a2344cb16bafb9be2d985665 /LUFA/Drivers/Peripheral/AVRU4U6U7
parentec19436d5456a095f652939c8163a9af2657f391 (diff)
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Add file-level brief documentation.
Remove accidentally duplicated model-specific peripheral driver files.
Diffstat (limited to 'LUFA/Drivers/Peripheral/AVRU4U6U7')
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h1
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/SPI.h189
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/Serial.h145
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h1
4 files changed, 2 insertions, 334 deletions
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
index 9ab65af53..e307c4e09 100644
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
+++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
@@ -29,6 +29,7 @@
*/
/** \file
+ * \brief ADC peripheral driver for the U7, U6 and U4 USB AVRs.
*
* ADC driver for the AT90USB1287, AT90USB1286, AT90USB647, AT90USB646, ATMEGA16U4 and ATMEGA32U4 AVRs.
*
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/SPI.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/SPI.h
deleted file mode 100644
index 3440cc9f1..000000000
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/SPI.h
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * SPI driver for the 8-bit AVRs.
- *
- * \note This file should not be included directly. It is automatically included as needed by the SPI driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- */
-
-/** \ingroup Group_SPI
- * @defgroup Group_SPI_AVR8 8-Bit AVR SPI Driver
- *
- * SPI driver for the 8-bit AVRs.
- *
- * \note This file should not be included directly. It is automatically included as needed by the ADC driver
- * dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- *
- * @{
- */
-
-#ifndef __SPI_AVR8_H__
-#define __SPI_AVR8_H__
-
- /* Includes: */
- #include <stdbool.h>
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_SPI_H)
- #error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead.
- #endif
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define SPI_USE_DOUBLESPEED (1 << SPE)
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 2. */
- #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 4. */
- #define SPI_SPEED_FCPU_DIV_4 0
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 8. */
- #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0))
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 16. */
- #define SPI_SPEED_FCPU_DIV_16 (1 << SPR0)
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 32. */
- #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1))
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 64. */
- #define SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0))
-
- /** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 128. */
- #define SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0))
-
- /** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the rising edge. */
- #define SPI_SCK_LEAD_RISING (0 << CPOL)
-
- /** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the falling edge. */
- #define SPI_SCK_LEAD_FALLING (1 << CPOL)
-
- /** SPI data sample mode mask for SPI_Init(). Indicates that the data should sampled on the leading edge. */
- #define SPI_SAMPLE_LEADING (0 << CPHA)
-
- /** SPI data sample mode mask for SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
- #define SPI_SAMPLE_TRAILING (1 << CPHA)
-
- /** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
- #define SPI_MODE_SLAVE (0 << MSTR)
-
- /** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
- #define SPI_MODE_MASTER (1 << MSTR)
-
- /* Inline Functions: */
- /** Initialises the SPI subsystem, ready for transfers. Must be called before calling any other
- * SPI routines.
- *
- * \param[in] SPIOptions SPI Options, a mask consisting of one of each of the SPI_SPEED_*,
- * SPI_SCK_*, SPI_SAMPLE_* and SPI_MODE_* masks
- */
- static inline void SPI_Init(const uint8_t SPIOptions)
- {
- DDRB |= ((1 << 1) | (1 << 2));
- PORTB |= ((1 << 0) | (1 << 3));
-
- SPCR = ((1 << SPE) | SPIOptions);
-
- if (SPIOptions & SPI_USE_DOUBLESPEED)
- SPSR |= (1 << SPI2X);
- else
- SPSR &= ~(1 << SPI2X);
- }
-
- /** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */
- static inline void SPI_ShutDown(void)
- {
- DDRB &= ~((1 << 1) | (1 << 2));
- PORTB &= ~((1 << 0) | (1 << 3));
-
- SPCR = 0;
- SPSR = 0;
- }
-
- /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
- *
- * \param[in] Byte Byte to send through the SPI interface
- *
- * \return Response byte from the attached SPI device
- */
- static inline uint8_t SPI_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline uint8_t SPI_TransferByte(const uint8_t Byte)
- {
- SPDR = Byte;
- while (!(SPSR & (1 << SPIF)));
- return SPDR;
- }
-
- /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
- * byte sent to from the attached SPI device is ignored.
- *
- * \param[in] Byte Byte to send through the SPI interface
- */
- static inline void SPI_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
- static inline void SPI_SendByte(const uint8_t Byte)
- {
- SPDR = Byte;
- while (!(SPSR & (1 << SPIF)));
- }
-
- /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
- * byte from the attached SPI device is returned.
- *
- * \return The response byte from the attached SPI device
- */
- static inline uint8_t SPI_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t SPI_ReceiveByte(void)
- {
- SPDR = 0x00;
- while (!(SPSR & (1 << SPIF)));
- return SPDR;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/Serial.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/Serial.h
deleted file mode 100644
index 0421dea73..000000000
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/Serial.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * ADC driver for the 8-bit AVRs.
- *
- * \note This file should not be included directly. It is automatically included as needed by the USART driver
- * dispatch header located in LUFA/Drivers/Peripheral/Serial.h.
- */
-
-/** \ingroup Group_Serial
- * @defgroup Group_Serial_AVR8 8-Bit AVR Serial Driver
- *
- * Serial driver for the 8-bit AVRs.
- *
- * \note This file should not be included directly. It is automatically included as needed by the ADC driver
- * dispatch header located in LUFA/Drivers/Peripheral/USART.h.
- *
- * @{
- */
-
-#ifndef __SERIAL_AVR8_H__
-#define __SERIAL_AVR8_H__
-
- /* Includes: */
- #include <avr/io.h>
- #include <avr/pgmspace.h>
- #include <stdbool.h>
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_SERIAL_H)
- #error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
- * not set.
- */
- #define SERIAL_UBBRVAL(baud) ((((F_CPU / 16) + (baud / 2)) / (baud)) - 1)
-
- /** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
- * set.
- */
- #define SERIAL_2X_UBBRVAL(baud) ((((F_CPU / 8) + (baud / 2)) / (baud)) - 1)
-
- /* Pseudo-Function Macros: */
- #if defined(__DOXYGEN__)
- /** Indicates whether a character has been received through the USART.
- *
- * \return Boolean true if a character has been received, false otherwise
- */
- static inline bool Serial_IsCharReceived(void);
- #else
- #define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
- #endif
-
- /* Inline Functions: */
- /** Initializes the USART, ready for serial data transmission and reception. This initializes the interface to
- * standard 8-bit, no parity, 1 stop bit settings suitable for most applications.
- *
- * \param[in] BaudRate Serial baud rate, in bits per second
- * \param[in] DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate
- */
- static inline void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed)
- {
- UCSR1A = (DoubleSpeed ? (1 << U2X1) : 0);
- UCSR1B = ((1 << TXEN1) | (1 << RXEN1));
- UCSR1C = ((1 << UCSZ11) | (1 << UCSZ10));
-
- DDRD |= (1 << 3);
- PORTD |= (1 << 2);
-
- UBRR1 = (DoubleSpeed ? SERIAL_2X_UBBRVAL(BaudRate) : SERIAL_UBBRVAL(BaudRate));
- }
-
- /** Turns off the USART driver, disabling and returning used hardware to their default configuration. */
- static inline void Serial_ShutDown(void)
- {
- UCSR1A = 0;
- UCSR1B = 0;
- UCSR1C = 0;
-
- DDRD &= ~(1 << 3);
- PORTD &= ~(1 << 2);
-
- UBRR1 = 0;
- }
-
- /** Transmits a given byte through the USART.
- *
- * \param[in] DataByte Byte to transmit through the USART
- */
- static inline void Serial_TxByte(const char DataByte)
- {
- while (!(UCSR1A & (1 << UDRE1)));
- UDR1 = DataByte;
- }
-
- /** Receives a byte from the USART.
- *
- * \return Byte received from the USART
- */
- static inline uint8_t Serial_RxByte(void)
- {
- while (!(UCSR1A & (1 << RXC1)));
- return UDR1;
- }
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
index 2d8e6df1e..990b44d14 100644
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
+++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
@@ -29,6 +29,7 @@
*/
/** \file
+ * \brief TWI peripheral driver for the U7, U6 and U4 USB AVRs.
*
* Master mode TWI driver for the AT90USB1287, AT90USB1286, AT90USB647, AT90USB646, ATMEGA16U4 and ATMEGA32U4 AVRs.
*